정의: Volunteering is an optional and freely chosen act of an individual or group giving their time and labor, often for community service. Many volunteers have specialized training in the fields that they work in, such as medicine, education, or emergency rescue. Others provide their services as needed, such as in response to a natural disaster.
| 핵심 연구 분야 | Analysis |
|---|---|
| 주요 연도 | 2020년 |
| 주요 연관 키워드 | authentication |
| 좋아요 수 | 0 |